I checked the bellows and They give the impression of being great (besides exhaust bellow). Being to the safe side I took it to a small boat fix store. They took a "speedy glimpse" to see if they might see what it had been, they concur the bellows, shift boot, https://hectorleknn.pointblog.net/the-smart-trick-of-outboard-motor-that-nobody-is-discussing-83718202